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NGK Iridium Spark Plug Box of 4 (KR9CI)

Unlock the full potential of your vehicle with the NGK Iridium Spark Plug Box of 4 (KR9CI). Engineered to provide the best combination of performance and longevity, these spark plugs are designed to meet the highest standards of quality and durability.

With an iridium-tipped center electrode that's six times harder than platinum, these spark plugs provide reliable starts and prevent overheating. The high-grade pure alumina ceramic and 98% pure copper core ensure optimal performance, while the platinum pad on the ground electrode promotes even wear in distributorless ignition systems.

  • Best for vehicles with OE fine wire iridium alloy plugs
  • Engineered specifically for OE applications
  • Tested to the highest standards for quality and durability
Make Model Year Type
BMW K1200GT 2003 Base
BMW K1200GT 2003 Base
BMW K1200GT 2003 Base
BMW K1200GT 2003 Base
BMW K1200R 2005 Base
BMW K1200R 2005 Base
BMW K1200R 2005 Base
BMW K1200R 2005 Base
BMW K1200R Sport 2007 Base
BMW K1200R Sport 2007 Base
BMW K1200S 2005 Base
BMW K1200S 2005 Base
BMW K1200S 2005 Base
BMW K1200S 2005 Base
BMW K1300GT 2009 Base
BMW K1300GT 2009 Base
BMW K1300R 2009 Base
BMW K1300R 2009 Base
BMW K1300R 2009 Base
BMW K1300S 2009 Base
BMW K1300S 2009 Base
BMW K1300S 2009 Base
BMW K1300S 2009 Base
BMW K1300S 2009 Base
BMW K1300S 2009 Base
BMW K1300S 2009 Base
BMW K1300S 2009 Base
BMW K1300S 30 Jahre K-Modelle 2013 Base
NGK manufactures spark plugs and spark plug wires, as well as glow plugs for diesel applications. Their range of spark plugs cover everything from OEM replacement to Ultimate Performance plugs, and are available as traditional copper, platinum, or iridium tips. NGK’s reputation as an OEM supplier for many car manufacturers makes them a top choice for spark plugs. Few brands can make that claim and have the quality to back it up.
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